siblings of Heartbreaker xx

half siblings paternal 4

half siblings paternal

broodmare Touch My Heart x (Thoroughbred, 1978, from Steel Heart xx)

Touch My Heart x
gender-female
1978

Steel Heart xx / Grey Sovereign xx

stallion Nihon Pillow Winner xx (Thoroughbred, 1980, from Steel Heart xx)

Nihon Pillow Winner xx
gender-male
1980

Steel Heart xx / China Rock xx

horse Queen of Scots xx (Thoroughbred, 1979, from Steel Heart xx)

Queen of Scots xx
gender-female
1979

Steel Heart xx / Dancer's Image xx

broodmare Mississipi Shuffle xx (Thoroughbred, 1977, from Steel Heart xx)

Mississipi Shuffle xx
gender-female
1977

Steel Heart xx / Grey Sovereign xx